CVE-2020-13827: Phplist

Medium severity, CVSS 6.1. EPSS: 0.8% chance of exploitation in the next 30 days.

phpList before 3.5.4 allows XSS via /lists/admin/user.php and /lists/admin/users.php.

Affected products

• Phplist Phplist: before 3.5.4 (fixed in 3.5.4)

Published 2020-06-04. Last modified 2026-06-17.